estion 12 yet swered Consider the following class-labeled training tuples from the Electronics customer database. rked out of 0 RID Flag question 1 no 2 no 3 4 5 5 6 no 7 age income student credit_rating credit_rating Class: buys_computer youth high no fair youth high no excellent middle-aged high no fair yes senior medium no fair yes senior low yes fair yes senior low yes excellent middle aged low yes excellent yes youth medium no fair youth low yes fair yes senior medium yes fair yes youth medium yes excellent yes middle aged medium excellent yes middle-aged high yes fair yes senior medium no excellent 8 8 no 9 10 11 no 12 13 14 no What is the gain ratio for the attribute name income? (Hint: calculate GainRatio(income)) Select one: a. 0.926 b. 0.031 C. 0.151 d. Not listed